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<h3>Copyright Notice</h3>
<img src="pic/sheepb.jpg" alt="jpg" align="left"> "Clone me," says Dolly sheepishly.
<p>Last update:
  <!-- #BeginDate format:En2m -->7-Jan-2024  00:29<!-- #EndDate -->
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<p>The following copyright notice applies to all files collectively called the Network Time Protocol Version 4 Distribution. Unless specifically declared otherwise in an individual file, this entire notice applies as if the text was explicitly included in the file.</p>
<pre>
***********************************************************************
*                                                                     *
* Copyright (c) University of Delaware 1992-2015                      *
*                                                                     *
* Permission to use, copy, modify, and distribute this software and   *
* its documentation for any purpose with or without fee is hereby     *
* granted, provided that the above copyright notice appears in all    *
* copies and that both the copyright notice and this permission       *
* notice appear in supporting documentation, and that the name        *
* University of Delaware not be used in advertising or publicity      *
* pertaining to distribution of the software without specific,        *
* written prior permission. The University of Delaware makes no       *
* representations about the suitability this software for any         *
* purpose. It is provided &quot;as is&quot; without express or implied          *
* warranty.                                                           *
*                                                                     *
***********************************************************************
</pre>
<p>Content starting in 2011 from Harlan Stenn, Juergen Perlinger, Dave Hart, Danny Mayer, Martin Burnicki, and possibly others is:</p>
<pre>
***********************************************************************
*                                                                     *
* Copyright (c) Network Time Foundation 2011-2024                     *
*                                                                     *
* All Rights Reserved                                                 *
*                                                                     *
* Redistribution and use in source and binary forms, with or without  *
* modification, are permitted provided that the following conditions  *
* are met:                                                            *
* 1. Redistributions of source code must retain the above copyright   *
*    notice, this list of conditions and the following disclaimer.    *
* 2. Redistributions in binary form must reproduce the above          *
*    copyright notice, this list of conditions and the following      *
*    disclaimer in the documentation and/or other materials provided  *
*    with the distribution.                                           *
*                                                                     *
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS  *
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED   *
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE  *
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE    *
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR *
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT   *
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR  *
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF          *
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT           *
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE   *
* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH    *
* DAMAGE.                                                             *
***********************************************************************
</pre>
<p>The following individuals contributed in part to the Network Time Protocol Distribution Version 4 and are acknowledged as authors of this work.</p>
<ol>
  <li><a href="mailto:%20takao_abe@xurb.jp">Takao Abe &lt;takao_abe@xurb.jp&gt;</a> Clock driver for JJY receivers</li>
  <li><a href="mailto:%20mark_andrews@isc.org">Mark Andrews &lt;mark_andrews@isc.org&gt;</a> Leitch atomic clock controller</li>
  <li><a href="mailto:%20altmeier@atlsoft.de">Bernd Altmeier &lt;altmeier@atlsoft.de&gt;</a> hopf Elektronik serial line and PCI-bus devices</li>
  <li><a href="mailto:%20vbais@mailman1.intel.co">Viraj Bais &lt;vbais@mailman1.intel.com&gt;</a> and <a href="mailto:%20kirkwood@striderfm.intel.com">Clayton Kirkwood &lt;kirkwood@striderfm.intel.com&gt;</a> port to WindowsNT 3.5</li>
  <li><a href="mailto:%20michael.barone@lmco.com">Michael Barone &lt;michael,barone@lmco.com&gt;</a> GPSVME fixes</li>
  <li><a href="mailto:%20karl@owl.HQ.ileaf.com">Karl Berry &lt;karl@owl.HQ.ileaf.com&gt;</a> syslog to file option</li>
  <li><a href="mailto:%20greg.brackley@bigfoot.com">Greg Brackley &lt;greg.brackley@bigfoot.com&gt;</a> Major rework of WINNT port. Clean up recvbuf and iosignal code into separate modules.</li>
  <li><a href="mailto:%20Marc.Brett@westgeo.com">Marc Brett &lt;Marc.Brett@westgeo.com&gt;</a> Magnavox GPS clock driver</li>
  <li><a href="mailto:%20Piete.Brooks@cl.cam.ac.uk">Piete Brooks &lt;Piete.Brooks@cl.cam.ac.uk&gt;</a> MSF clock driver, Trimble PARSE support</li>
  <li><a href="mailto:%20nelson@bolyard.me">Nelson B Bolyard &lt;nelson@bolyard.me&gt;</a> update and complete broadcast and crypto features in sntp</li>
  <li><a href="mailto:%20Jean-Francois.Boudreault@viagenie.qc.ca">Jean-Francois Boudreault &lt;Jean-Francois.Boudreault@viagenie.qc.ca&gt;</a> IPv6 support</li>
  <li><a href="mailto:%20reg@dwf.com">Reg Clemens &lt;reg@dwf.com&gt;</a> Oncore driver (Current maintainer)</li>
  <li><a href="mailto:%20clift@ml.csiro.au">Steve Clift &lt;clift@ml.csiro.au&gt;</a> OMEGA clock driver</li>
  <li><a href="mailto:%20casey@csc.co.za">Casey Crellin &lt;casey@csc.co.za&gt;</a> vxWorks (Tornado) port and help with target configuration</li>
  <li><a href="mailto:%20phdm@macqel.be">Philippe De Muyter &lt;phdm@macqel.be&gt;</a> Wharton reference clock driver, sysV68 and AIX modifications.</li>
  <li><a href="mailto:%20Sven_Dietrich@trimble.COM">Sven Dietrich &lt;sven_dietrich@trimble.com&gt;</a> Palisade reference clock driver, NT adj. residuals, integrated Greg's Winnt port.</li>
  <li><a href="mailto:%20dundas@salt.jpl.nasa.gov">John A. Dundas III &lt;dundas@salt.jpl.nasa.gov&gt;</a> Apple A/UX port</li>
  <li><a href="mailto:%20duwe@immd4.informatik.uni-erlangen.de">Torsten Duwe &lt;duwe@immd4.informatik.uni-erlangen.de&gt;</a> Linux port</li>
  <li><a href="mailto:%20dennis@mrbill.canet.ca">Dennis Ferguson &lt;dennis@mrbill.canet.ca&gt;</a> foundation code for NTP Version 2 as specified in RFC-1119</li>
  <li><a href="mailto:%20jhay@icomtek.csir.co.za">John Hay &lt;jhay@icomtek.csir.co.za&gt;</a> IPv6 support and testing</li>
  <li><a href="mailto:%20davehart@gmail.com">Dave Hart &lt;davehart@gmail.com&gt;</a> General maintenance, IPv6 cleanup, Windows PPSAPI</li>
  <li><a href="mailto:%20neoclock4x@linum.com">Claas Hilbrecht &lt;neoclock4x@linum.com&gt;</a> NeoClock4X clock driver</li>
  <li><a href="mailto:%20glenn@herald.usask.ca">Glenn Hollinger &lt;glenn@herald.usask.ca&gt;</a> GOES clock driver</li>
  <li><a href="mailto:%20iglesias@uci.edu">Mike Iglesias &lt;iglesias@uci.edu&gt;</a> DEC Alpha port</li>
  <li><a href="mailto:%20jagubox.gsfc.nasa.gov">Jim Jagielski &lt;jim@jagubox.gsfc.nasa.gov&gt;</a> A/UX port</li>
  <li><a href="mailto:%20jbj@chatham.usdesign.com">Jeff Johnson &lt;jbj@chatham.usdesign.com&gt;</a> massive prototyping overhaul</li>
  <li><a href="mailto:%20Hans.Lambermont@nl.origin-it.com">Hans Lambermont &lt;Hans.Lambermont@nl.origin-it.com&gt;</a> or <a href="mailto:H.Lambermont@chello.nl">&lt;H.Lambermont@chello.nl&gt;</a> ntpsweep</li>
  <li><a href="mailto:%20phk@FreeBSD.ORG">Poul-Henning Kamp &lt;phk@FreeBSD.ORG&gt;</a> Oncore driver (Original author)</li>
  <li><a href="http://www4.informatik.uni-erlangen.de/%7ekardel">Frank Kardel</a> <a href="mailto:%20kardel%20%28at%29%20ntp%20%28dot%29%20org">&lt;kardel (at) ntp (dot) org&gt;</a> PARSE &lt;GENERIC&gt; (driver 14 reference clocks), STREAMS modules for PARSE, support scripts, syslog cleanup, dynamic interface handling</li>
  <li><a href="mailto:kuehn@ntp.org">Johannes Maximilian Kuehn &lt;kuehn@ntp.org&gt;</a> Rewrote <tt>sntp</tt> to comply with NTPv4 specification, <tt>ntpq saveconfig</tt></li>
  <li><a href="mailto:%20jones@hermes.chpc.utexas.edu">William L. Jones &lt;jones@hermes.chpc.utexas.edu&gt;</a> RS/6000 AIX modifications, HPUX modifications</li>
  <li><a href="mailto:%20dkatz@cisco.com">Dave Katz &lt;dkatz@cisco.com&gt;</a> RS/6000 AIX port</li>
  <li><a href="mailto:%20leres@ee.lbl.gov">Craig Leres &lt;leres@ee.lbl.gov&gt;</a> 4.4BSD port, ppsclock, Magnavox GPS clock driver</li>
  <li><a href="mailto:%20lindholm@ucs.ubc.ca">George Lindholm &lt;lindholm@ucs.ubc.ca&gt;</a> SunOS 5.1 port</li>
  <li><a href="mailto:%20louie@ni.umd.edu">Louis A. Mamakos &lt;louie@ni.umd.edu&gt;</a> MD5-based authentication</li>
  <li><a href="mailto:%20thorinn@diku.dk">Lars H. Mathiesen &lt;thorinn@diku.dk&gt;</a> adaptation of foundation code for Version 3 as specified in RFC-1305</li>
  <li><a href="mailto:%20mayer@ntp.org">Danny Mayer &lt;mayer@ntp.org&gt;</a>Network I/O, Windows Port, Code Maintenance</li>
  <li><a href="mailto:%20mills@udel.edu">David L. Mills &lt;mills@udel.edu&gt;</a> Version 4 foundation, precision kernel; clock drivers: 1, 3, 4, 6, 7, 11, 13, 18, 19, 22, 36</li>
  <li><a href="mailto:%20moeller@gwdgv1.dnet.gwdg.de">Wolfgang Moeller &lt;moeller@gwdgv1.dnet.gwdg.de&gt;</a> VMS port</li>
  <li><a href="mailto:%20mogul@pa.dec.com">Jeffrey Mogul &lt;mogul@pa.dec.com&gt;</a> ntptrace utility</li>
  <li><a href="mailto:%20tmoore@fievel.daytonoh.ncr.com">Tom Moore &lt;tmoore@fievel.daytonoh.ncr.com&gt;</a> i386 svr4 port</li>
  <li><a href="mailto:%20kamal@whence.com">Kamal A Mostafa &lt;kamal@whence.com&gt;</a> SCO OpenServer port</li>
  <li><a href="mailto:%20derek@toybox.demon.co.uk">Derek Mulcahy &lt;derek@toybox.demon.co.uk&gt;</a> and <a href="mailto:%20d@hd.org">Damon Hart-Davis &lt;d@hd.org&gt;</a> ARCRON MSF clock driver</li>
  <li><a href="mailto:%20neal@ntp.org">Rob Neal &lt;neal@ntp.org&gt;</a> Bancomm refclock and config/parse code maintenance</li>
  <li><a href="mailto:%20Rainer.Pruy@informatik.uni-erlangen.de">Rainer Pruy &lt;Rainer.Pruy@informatik.uni-erlangen.de&gt;</a> monitoring/trap scripts, statistics file handling</li>
  <li><a href="mailto:%20dirce@zk3.dec.com">Dirce Richards &lt;dirce@zk3.dec.com&gt;</a> Digital UNIX V4.0 port</li>
  <li><a href="mailto:%20wsanchez@apple.com">Wilfredo S&aacute;nchez &lt;wsanchez@apple.com&gt;</a> added support for NetInfo</li>
  <li><a href="mailto:%20mrapple@quack.kfu.com">Nick Sayer &lt;mrapple@quack.kfu.com&gt;</a> SunOS streams modules</li>
  <li><a href="mailto:%20jack@innovativeinternet.com">Jack Sasportas &lt;jack@innovativeinternet.com&gt;</a> Saved a Lot of space on the stuff in the html/pic/ subdirectory</li>
  <li><a href="mailto:%20schnitz@unipress.com">Ray Schnitzler &lt;schnitz@unipress.com&gt;</a> Unixware1 port</li>
  <li><a href="mailto:%20shields@tembel.org">Michael Shields &lt;shields@tembel.org&gt;</a> USNO clock driver</li>
  <li><a href="mailto:%20pebbles.jpl.nasa.gov">Jeff Steinman &lt;jss@pebbles.jpl.nasa.gov&gt;</a> Datum PTS clock driver</li>
  <li><a href="mailto:%20harlan@pfcs.com">Harlan Stenn &lt;harlan@pfcs.com&gt;</a> GNU automake/autoconfigure makeover, various other bits (see the ChangeLog)</li>
  <li><a href="mailto:%20ken@sdd.hp.com">Kenneth Stone &lt;ken@sdd.hp.com&gt;</a> HP-UX port</li>
  <li><a href="mailto:%20ajit@ee.udel.edu">Ajit Thyagarajan &lt;ajit@ee.udel.edu&gt;</a>IP multicast/anycast support</li>
  <li><a href="mailto:%20tsuruoka@nc.fukuoka-u.ac.jp">Tomoaki TSURUOKA &lt;tsuruoka@nc.fukuoka-u.ac.jp&gt;</a>TRAK clock driver</li>
  <li><a href="mailto:%20brian.utterback@oracle.com">Brian Utterback &lt;brian.utterback@oracle.com&gt;</a> General codebase, Solaris issues</li>
  <li><a href="mailto:%20loganaden@gmail.com">Loganaden Velvindron &lt;loganaden@gmail.com&gt;</a> Sandboxing (libseccomp) support</li>
  <li><a href="mailto:%20vixie@vix.com">Paul A Vixie &lt;vixie@vix.com&gt;</a> TrueTime GPS driver, generic TrueTime clock driver</li>
  <li><a href="mailto:%20Ulrich.Windl@rz.uni-regensburg.de">Ulrich Windl &lt;Ulrich.Windl@rz.uni-regensburg.de&gt;</a> corrected and validated HTML documents according to the HTML DTD</li>
</ol>
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